Final lint fixes

src/js/background/backgroundLogic.js

@@ -50,6 +50,8 @@ const backgroundLogic = {
       //We cannot yet access the new cookieStoreId via this.cookieStoreId(...), so we take this from the resolved promise
       donePromise.then((identity) => {
         window.proxifiedContainers.set(identity.cookieStoreId, options.proxy);
+      }).catch(() => {
+        //Empty because this should never happen theoretically.
       });
     }
     await donePromise;